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  <h1>Go 笔记: 简单的 TCP Socket 示例 </h1>
</div>

<div class="row">
  <div class="span8">
    <p>一个简单的 <code>TCP Socket</code> 的示例，使用 <code>gob</code> 处理传输的数据。</p>

<h2><code>server.go</code></h2>

<pre><code class="language-go">package main

import (
	&quot;bytes&quot;
	&quot;encoding/gob&quot;
	&quot;fmt&quot;
	&quot;io&quot;
	&quot;net&quot;
)

type personInfo struct {
	Name  string
	Age   int32
	Phone string
	Addr  string
}

const (
	BUF_SIZE = 1024
)

func handleConnection(conn *net.TCPConn) {
	if conn == nil {
		return
	}
	defer conn.Close()

	data := make([]byte, BUF_SIZE)
	for {
		n, err := conn.Read(data)
		if err == io.EOF {
			fmt.Println(&quot;Read connection data failed:&quot;, err)
			break
		}
		fmt.Printf(&quot;Read %v byte data\n&quot;, n)

		b := bytes.NewBuffer(data)
		dec := gob.NewDecoder(b)

		info := personInfo{}
		dec.Decode(&amp;info)
		fmt.Printf(&quot;Server receive data: %v\n&quot;, info)
	}
	return
}

func main() {
	tcpAddr, err := net.ResolveTCPAddr(&quot;tcp&quot;, &quot;127.0.0.1:8087&quot;)
	if err != nil {
		fmt.Println(&quot;ResolveTCPAddr failed:&quot;, err)
		return
	}

	l, err := net.ListenTCP(&quot;tcp&quot;, tcpAddr)
	if err != nil {
		fmt.Println(&quot;Listen port error:&quot;, err)
		return
	}

	for {
		conn, err := l.AcceptTCP()
		fmt.Printf(&quot;The client: %s connected\n&quot;, conn.RemoteAddr().String())
		if err != nil {
			fmt.Println(&quot;Accept error:&quot;, err)
			continue
		}

		go handleConnection(conn)
	}
}
</code></pre>

<h2><code>client.go</code></h2>

<pre><code class="language-go">package main

import (
	&quot;bytes&quot;
	&quot;encoding/gob&quot;
	&quot;fmt&quot;
	&quot;net&quot;
	&quot;time&quot;
)

type personInfo struct {
	Name  string
	Age   int32
	Phone string
	Addr  string
}

func main() {
	tcpAddr, err := net.ResolveTCPAddr(&quot;tcp&quot;, &quot;127.0.0.1:8087&quot;)
	if err != nil {
		fmt.Println(&quot;ResolveTCPAddr failed:&quot;, err)
		return
	}

	conn, err := net.DialTCP(&quot;tcp&quot;, nil, tcpAddr)
	if err != nil {
		fmt.Println(&quot;Create connection failed:&quot;, err)
		return
	}

	info := personInfo{&quot;Maya&quot;, 18, &quot;13277085678&quot;, &quot;Hubei China&quot;}
	var b bytes.Buffer
	enc := gob.NewEncoder(&amp;b)
	enc.Encode(&amp;info)
	for {
		conn.Write(b.Bytes())
		fmt.Println(b.Bytes())
		&lt;-time.After(time.Second * 3)
	}
	conn.Close()
}
</code></pre>

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  </div>
  
  <div class="span4">
    <h4>Published</h4>
    <div class="date"><span>2014-07-20 00:54:43</span></div>
    <br>
    <h4>Categories</h4>
    <ul class="tag_box">
    
      <li>
  <a href="/categories/#Note-ref">Note <span>9</span></a>
</li>
    
    </ul>
    <br>
    <h4>Tags</h4>
    <ul class="tag_box">
    
      <li>
  <a href="/tags/#go-ref">go <span>6</span></a>
</li>
    
      <li>
  <a href="/tags/#tcp-ref">tcp <span>2</span></a>
</li>
    
      <li>
  <a href="/tags/#gob-ref">gob <span>2</span></a>
</li>
    
    </ul>
  </div>
</div>

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